Friday, marks Peggy's (can we call you that?) 72nd birthday and along her dozens of award-winning books, Margaret Atwood has also made her mark on Twitter. Since joining the social-media service in 2009, she's racked up more than 277,000 followers and 6,600 tweets. We've rounded up some of the highlights below.

Do you have a favourite Margaret Atwood book? Tell us in the comments.

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